diff --git a/src/rrd_diff.c b/src/rrd_diff.c
index bc3edbbc1224e0bae05f9b1d137f7ce2d1e3015c..d9939a9320a64fd05e5be9ceabed5d7dd0821d4f 100644 (file)
--- a/src/rrd_diff.c
+++ b/src/rrd_diff.c
/*****************************************************************************
- * RRDtool 1.3rc6 Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.4.7 Copyright by Tobi Oetiker, 1997-2012
* This code is stolen from rateup (mrtg-2.x) by Dave Rand
*****************************************************************************
* diff calculate the difference between two very long integers available as
* strings
*****************************************************************************
- * $Id: rrd_diff.c 1380 2008-05-26 08:56:58Z oetiker $
+ * $Id: rrd_diff.c 2267 2012-01-24 10:08:48Z oetiker $
* $Log$
* Revision 1.4 2003/03/10 00:30:34 oetiker
* handle cases with two negative numbers
*
*****************************************************************************/
+#include <ctype.h>
#include "rrd_tool.h"
double rrd_diff(